.input-wrapper {
    width: 100%;
    height: 20vh;
    text-align: center;
}


/* 输入表格 */

.input-table {
    margin: 5px auto;
    width: 80%;
    padding: 5px 0;
    height: 75px;
    display: flex;
    flex-direction: column;
}

.input-table .row {
    flex: 1 1 auto;
    display: flex;
    text-align: center;
    flex-direction: row;
}

.input-table .row div {
    flex: 1 1 auto;
    line-height: 35px;
    background-color: rgba(14, 69, 131, .1);
    border: 1px solid black;
}

.input-table .row div input {
    width: 45px;
}

.input-table .row div:nth-child(1) {
    flex: 0 0 auto;
    width: 135px;
}


/* 输出样式 */

.output {
    width: 70%;
    margin: 20px auto;
}

.output div {
    width: 100%;
    height: 20px;
    line-height: 20px;
    text-align: left;
}

.output div:nth-child(1) {
    text-align: center;
}


/* 检查边是否存在 */

.check {
    margin: 10px auto;
    width: 70%;
    text-align: center;
}